Xerox PHASER 7500 Service Manual

Phaser 7500 Printer Service Manual 4-15
General Troubleshooting
Power Supply Troubleshooting
+5 VDC Power Troubleshooting
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Main LVPS, PL18.1.11 ■ “Map 9 - Main LVPS, Waste Toner
Bottle” on page 10-25
Troubleshooting Procedure Table
Step Action and Questions Yes No
1 Turn On the power.
Is the voltage between the Main LVPS
J510-1 (+) and the GND (-) +5VDC?
Go to step 4. Go to step 2.
2 Is the voltage between the Main LVPS
J4-1 and J4-3 line voltage?
Go to step 3. Go to “AC Power
Troubleshooting
” on page 4-13.
3 Turn the power Off and disconnect
the Main LVPS J501 and J510.
Turn On the printer 15 seconds later.
Is the voltage between the Main LVPS
J510-1 (+) and the GND (-) +5VDC?
Check the
+5VDC circuit
for a short
circuit to
ground.
Replace the
Main LVPS
(REP 18.7,
page 8-194).
4 Is the voltage between the Main LVPS
J510-2 (+) and the GND (-) +5VDC?
Check the wire
to the relevant
component for
an open circuit
and poor
continuity.
Replace the
Main LVPS
(REP 18.7,
page 8-194).

Xerox PHASER 7500 Specifications

General

Brand	Xerox
Model	PHASER 7500
Category	Printer
Language	English